1923 Rotogravure Helicopters de Bothezat Berliner Rotorcraft Aviation Historic Corporate / Business (General) " Kozma Lajos

" Kozma Lajos

French Company

This is a small original 1898 black and white print ad for the American Engraving Company

featuring little children walking through village streets on a destructive march

This is an original 1932 photogravure of rocks on the Silver Coast of Romania

1923 Rotogravure Helicopters de Bothezat Berliner Rotorcraft Aviation Historic Corporate / Business (General) " Kozma Lajos"Helicopters Which Rise Vertically From Ground" This is an original 1923 sepia rotogravure with three images of two early helicopters: the top and middle helicopter is the invention of Emile and Henry A. Berliner; and the bottom helicopter is the de Bothezat helicopter during a test at Dayton, Ohio. CONDITION This 91+ year old Item is rated Very Fine +++. No creases. No surface rub. No tears. No water damage. There is printing on the verso. Please